mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-27 23:02:20 +00:00
c61f9c123e
Differential Revision: https://phabricator.services.mozilla.com/D137200
139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "XULComboboxAccessible.h"
|
|
|
|
#include "LocalAccessible-inl.h"
|
|
#include "nsAccessibilityService.h"
|
|
#include "DocAccessible.h"
|
|
#include "nsCoreUtils.h"
|
|
#include "Role.h"
|
|
#include "States.h"
|
|
|
|
#include "mozilla/dom/Element.h"
|
|
#include "nsIDOMXULMenuListElement.h"
|
|
|
|
using namespace mozilla::a11y;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// XULComboboxAccessible
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
XULComboboxAccessible::XULComboboxAccessible(nsIContent* aContent,
|
|
DocAccessible* aDoc)
|
|
: AccessibleWrap(aContent, aDoc) {
|
|
mGenericTypes |= eCombobox;
|
|
}
|
|
|
|
role XULComboboxAccessible::NativeRole() const { return roles::COMBOBOX; }
|
|
|
|
uint64_t XULComboboxAccessible::NativeState() const {
|
|
// As a nsComboboxAccessible we can have the following states:
|
|
// STATE_FOCUSED
|
|
// STATE_FOCUSABLE
|
|
// STATE_HASPOPUP
|
|
// STATE_EXPANDED
|
|
// STATE_COLLAPSED
|
|
|
|
// Get focus status from base class
|
|
uint64_t state = LocalAccessible::NativeState();
|
|
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuList = Elm()->AsXULMenuList();
|
|
if (menuList) {
|
|
bool isOpen = false;
|
|
menuList->GetOpen(&isOpen);
|
|
if (isOpen) {
|
|
state |= states::EXPANDED;
|
|
} else {
|
|
state |= states::COLLAPSED;
|
|
}
|
|
}
|
|
|
|
return state | states::HASPOPUP;
|
|
}
|
|
|
|
void XULComboboxAccessible::Description(nsString& aDescription) const {
|
|
aDescription.Truncate();
|
|
// Use description of currently focused option
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuListElm = Elm()->AsXULMenuList();
|
|
if (!menuListElm) return;
|
|
|
|
nsCOMPtr<dom::Element> focusedOptionItem;
|
|
menuListElm->GetSelectedItem(getter_AddRefs(focusedOptionItem));
|
|
if (focusedOptionItem && mDoc) {
|
|
LocalAccessible* focusedOptionAcc = mDoc->GetAccessible(focusedOptionItem);
|
|
if (focusedOptionAcc) focusedOptionAcc->Description(aDescription);
|
|
}
|
|
}
|
|
|
|
void XULComboboxAccessible::Value(nsString& aValue) const {
|
|
aValue.Truncate();
|
|
|
|
// The value is the option or text shown entered in the combobox.
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuList = Elm()->AsXULMenuList();
|
|
if (menuList) menuList->GetLabel(aValue);
|
|
}
|
|
|
|
bool XULComboboxAccessible::HasPrimaryAction() const { return true; }
|
|
|
|
bool XULComboboxAccessible::DoAction(uint8_t aIndex) const {
|
|
if (aIndex != XULComboboxAccessible::eAction_Click) return false;
|
|
|
|
// Programmaticaly toggle the combo box.
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuList = Elm()->AsXULMenuList();
|
|
if (!menuList) return false;
|
|
|
|
bool isDroppedDown = false;
|
|
menuList->GetOpen(&isDroppedDown);
|
|
menuList->SetOpen(!isDroppedDown);
|
|
return true;
|
|
}
|
|
|
|
void XULComboboxAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName) {
|
|
aName.Truncate();
|
|
if (aIndex != XULComboboxAccessible::eAction_Click) return;
|
|
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuList = Elm()->AsXULMenuList();
|
|
if (!menuList) return;
|
|
|
|
bool isDroppedDown = false;
|
|
menuList->GetOpen(&isDroppedDown);
|
|
if (isDroppedDown) {
|
|
aName.AssignLiteral("close");
|
|
} else {
|
|
aName.AssignLiteral("open");
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Widgets
|
|
|
|
bool XULComboboxAccessible::IsActiveWidget() const {
|
|
if (mContent->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::editable,
|
|
nsGkAtoms::_true, eIgnoreCase)) {
|
|
int32_t childCount = mChildren.Length();
|
|
for (int32_t idx = 0; idx < childCount; idx++) {
|
|
LocalAccessible* child = mChildren[idx];
|
|
if (child->Role() == roles::ENTRY) {
|
|
return FocusMgr()->HasDOMFocus(child->GetContent());
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return FocusMgr()->HasDOMFocus(mContent);
|
|
}
|
|
|
|
bool XULComboboxAccessible::AreItemsOperable() const {
|
|
nsCOMPtr<nsIDOMXULMenuListElement> menuListElm = Elm()->AsXULMenuList();
|
|
if (menuListElm) {
|
|
bool isOpen = false;
|
|
menuListElm->GetOpen(&isOpen);
|
|
return isOpen;
|
|
}
|
|
|
|
return false;
|
|
}
|